$ git clone -n https://src.fedoraproject.org/rpms/perl-DateTime-Format-W3CDTF.git /var/lib/mock/f39-build-1548272-36798/root/chroot_tmpdir/scmroot/perl-DateTime-Format-W3CDTF
Cloning into '/var/lib/mock/f39-build-1548272-36798/root/chroot_tmpdir/scmroot/perl-DateTime-Format-W3CDTF'...
$ git fetch origin c54418faaa0c6484bb2996685ebe00b7c338e38d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DateTime-Format-W3CDTF
 * [new ref]         c54418faaa0c6484bb2996685ebe00b7c338e38d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c54418f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild